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Differences What are the advantages of each

Front view of AMD Opteron 6276

Reasons to consider the
AMD Opteron 6276

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Much more l2 cache 16 MB vs 6 MB Around 2.8x more l2 cache; more data can be stored in the l2 cache for quick access later
Much higher turbo clock speed 3.2 GHz vs 0 GHz Compared to all cpus, 3.2 GHz turbo clock speed is just OK
Much more l3 cache 16 MB vs 12 MB Around 35% more l3 cache; more data can be stored in the l3 cache for quick access later
Much better overclocked clock speed (Air) 3.72 GHz vs 2.84 GHz More than 30% better overclocked clock speed (Air)
More threads 16 vs 12 4 more threads
Much more l2 cache per core 1 MB/core vs 0.5 MB/core 2x more l2 cache per core
Lower typical power consumption 93.44W vs 113.75W Around 20% lower typical power consumption
Newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Lower annual commercial energy cost 100.74 $/year vs 122.64 $/year Around 20% lower annual commercial energy cost
Lower annual home energy cost 27.7 $/year vs 33.73 $/year Around 20% lower annual home energy cost
Better overclocked clock speed (Water) 2.6 GHz vs 2.5 GHz Around 5% better overclocked clock speed (Water)
Newer Nov, 2011 vs Feb, 2011 Release date 9 months later
Front view of AMD Opteron 6180 SE

Reasons to consider the
AMD Opteron 6180 SE

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Significantly higher clock speed 2.5 GHz vs 2.3 GHz Around 10% higher clock speed

Features Key features of the Opteron 6276  vs 6180 SE 

clock speed

Opteron 6276
2.3 GHz
Opteron 6180 SE
2.5 GHz

turbo clock speed

L2 cache

L3 cache

overclocked clock speed (air)

Opteron 6276
3.72 GHz
Opteron 6180 SE
2.84 GHz

overclocked clock speed (water)

Opteron 6276
2.6 GHz
Opteron 6180 SE
2.5 GHz

Specifications Full list of technical specs

summary

Opteron 6276  vs
6180 SE 
Clock speed 2.3 GHz 2.5 GHz
Turbo clock speed 3.2 GHz 0 GHz
Cores 16 core Duodeca core
Socket type
G34
Is unlocked No No

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE4a
SSE2
MMX
SSE4
SSE3
SSE
3DNow!
Supplemental SSE3
AES

power consumption

TDP 115W 140W
Annual home energy cost 27.7 $/year 33.73 $/year
Annual commercial energy cost 100.74 $/year 122.64 $/year
Typical power consumption 93.44W 113.75W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3

details

Opteron 6276  vs
6180 SE 
Threads 16 12
L2 cache 16 MB 6 MB
L2 cache per core 1 MB/core 0.5 MB/core
L3 cache 16 MB 12 MB
L3 cache per core 1 MB/core 1 MB/core
Manufacture process 32 nm 45 nm
Max CPUs 4 4
Clock multiplier 16 12
Operating temperature Unknown - 55°C Unknown - 55°C

overclocking

Overclocked clock speed 3.72 GHz 2.84 GHz
Overclocked clock speed (Water) 2.6 GHz 2.5 GHz
Overclocked clock speed (Air) 3.72 GHz 2.84 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A

bus

Architecture HyperTransport 3.0 HyperTransport 3.0
Clock speed 3,200 MHz 3,200 MHz
AMD Opteron 6276
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AMD Opteron 6180 SE
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